{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["founded", "origin", "employee of", "alternate names"], "input": "There is also the 1000 Mile Tree a pine discovered by  Union Pacific Railroad  workers marking from the railroad's origin in  Omaha Nebraska  ."}
{"founded": [{"subject": "Union Pacific Railroad", "object": "Omaha Nebraska"}], "origin": [], "employee of": [], "alternate names": []}